Finding the Fourth Proportional to 826,181.92, 1,140,127.84 and 463,604.92
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Solution
The fourth proportional to 826,181.92, 1,140,127.84 and 463,604.92 is: 639,772.99
Step by Step Solution
- Step 1: Write the proportion equation
826,181.92 : 1,140,127.84 = 463,604.92 : x - Step 2: Convert to fraction form
826,181.92/1,140,127.84 = 463,604.92/x - Step 3: Cross multiply
826,181.92x = 1,140,127.84 × 463,604.92 - Step 4: Simplify right side
826,181.92x = 528,568,876,052.97 - Step 5: Solve for x
x = 528,568,876,052.97/826,181.92 - Step 6: Final answer
x = 639,772.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.